Hi Gertjan,
Many thanks for the reply
Switch 1 is a D-Link DGS-1510
Switch 2 is a TP-Link TL-SG108E
When i run a packet capture on the LAN interface, pfsense recieves the below
13:56:18.213103 IP (tos 0x0, ttl 128, id 43152, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x3ad444f2, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:56:18.226155 IP (tos 0x0, ttl 128, id 43153, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x6528e0fa, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:56:22.183686 IP (tos 0x0, ttl 128, id 43154, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x6528e0fa, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:56:25.528076 IP (tos 0x0, ttl 128, id 43155, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x6528e0fa, secs 768, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:56:32.714890 IP (tos 0x0, ttl 128, id 43156, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x6528e0fa, secs 2560, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:56:49.203555 IP (tos 0x0, ttl 128, id 43157, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0x6528e0fa, secs 6912, Flags [none] (0x0000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:57:20.692142 IP (tos 0x0, ttl 128, id 43158, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0xfc0abba2, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:57:24.428477 IP (tos 0x0, ttl 128, id 43159, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0xfc0abba2, secs 768, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:57:33.124621 IP (tos 0x0, ttl 128, id 43160, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0xfc0abba2, secs 3072, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
13:57:50.059935 IP (tos 0x0, ttl 128, id 43161, offset 0, flags [none], proto UDP (17), length 328)
0.0.0.0.68 > 255.255.255.255.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, xid 0xfc0abba2, secs 7424, Flags [Broadcast] (0x8000)
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
If i then run the packet capture against the wan interface i get the below
14:07:19.116073 IP (tos 0x0, ttl 64, id 52663, offset 0, flags [none], proto UDP (17), length 328, bad cksum 0 (->2a90)!)
192.168.0.2.67 > 192.168.0.5.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, hops 1, xid 0x822430e8, Flags [none] (0x0000)
Gateway-IP 192.168.100.1
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
14:07:24.112396 IP (tos 0x0, ttl 64, id 27901, offset 0, flags [none], proto UDP (17), length 328, bad cksum 0 (->8b4a)!)
192.168.0.2.67 > 192.168.0.5.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, hops 1, xid 0x822430e8, Flags [none] (0x0000)
Gateway-IP 192.168.100.1
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
14:07:27.581219 IP (tos 0x0, ttl 64, id 57577, offset 0, flags [none], proto UDP (17), length 328, bad cksum 0 (->175e)!)
192.168.0.2.67 > 192.168.0.5.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, hops 1, xid 0x822430e8, secs 768, Flags [none] (0x0000)
Gateway-IP 192.168.100.1
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
14:07:35.515635 IP (tos 0x0, ttl 64, id 60159, offset 0, flags [none], proto UDP (17), length 328, bad cksum 0 (->d48)!)
192.168.0.2.67 > 192.168.0.5.67: [udp sum ok] BOOTP/DHCP, Request from 54:bf:64:5f:78:73, length 300, hops 1, xid 0x822430e8, secs 2816, Flags [none] (0x0000)
Gateway-IP 192.168.100.1
Client-Ethernet-Address 54:bf:64:5f:78:73
Vendor-rfc1048 Extensions
Magic Cookie 0x63825363
DHCP-Message (53), length 1: Discover
Client-ID (61), length 7: ether 54:bf:64:5f:78:73
Hostname (12), length 15: "DESKTOPPC"
Vendor-Class (60), length 8: "MSFT 5.0"
Parameter-Request (55), length 14:
Subnet-Mask (1), Default-Gateway (3), Domain-Name-Server (6), Domain-Name (15)
Router-Discovery (31), Static-Route (33), Vendor-Option (43), Netbios-Name-Server (44)
Netbios-Node (46), Netbios-Scope (47), Unknown (119), Classless-Static-Route (121)
Classless-Static-Route-Microsoft (249), Unknown (252)
So it looks like the DHCP request is getting to the server but the reply is not getting back for some reason.
The scope is setup on the server as below
c2990fba-c9a4-42ce-b1fb-c5ce249952e1-image.png
and active
2e1fc0ec-27c5-41ae-91b4-53a7ed1fda88-image.png